Home / 17,280-25,941.78-14,699.34

Finding the Fourth Proportional to 17,280, 25,941.78 and 14,699.34

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Solution

The fourth proportional to 17,280, 25,941.78 and 14,699.34 is: 22,067.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,280 : 25,941.78 = 14,699.34 : x
  2. Step 2: Convert to fraction form
    17,280/25,941.78 = 14,699.34/x
  3. Step 3: Cross multiply
    17,280x = 25,941.78 × 14,699.34
  4. Step 4: Simplify right side
    17,280x = 381,327,044.43
  5. Step 5: Solve for x
    x = 381,327,044.43/17,280
  6. Step 6: Final answer
    x = 22,067.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.